Parts list:
| № | Number | Qty | Name | Options |
|---|---|---|---|---|
| 1 | GP12728 | 2 | LOCKING COLLAR | (SUB GP426-504) (MARKED GP20X13A) |
| 2 | GP12727 | 2 | RING | (SUB GP426-504) (NO LONGER AVAILABLE) (MARKED GP20X13A) |
| 3 | GP12AA726 | 2 | RIM | (SUB GP426-504) (NO LONGER AVAILABLE) (MARKED GP20X13A) |
| 4 | GP12B540 | 2 | SPINDLE | |
| 5 | HL1556 | 2 | SEAL | (SUB GP12693B) |
| 5 | GP12693B | 2 | SEAL | |
| 6 | JD8191 | 2 | Bearing Cone | |
| 7 | JD8214 | 2 | Bearing Cup | |
| 8 | HL1555 | 20 | WHEEL BOLT | |
| 8 | GP12689A | 20 | WHEEL BOLT | |
| 9 | JD9119 | 2 | Bearing Cup | |
| 10 | HL10477 | 2 | HUB | (SUB GP426-580) |
| 10 | GP426-580 | 2 | HUB | |
| 11 | HL1562 | 20 | NUT | (SUB GP12690) |
| 11 | GP12690 | 20 | NUT | |
| 12 | JD7378 | 2 | Bearing Cone | |
| 13 | HL1366 | 2 | WASHER | (SUB GP12693B AND GP12695B) |
| 13 | GP12695B | 2 | WASHER | |
| 14 | 14H991 | 2 | Nut | 1-1/2" |
| 15 | GP100016 | 2 | CAP | (SUB FOR GP12694C) |
| 16 | 11H222 | 2 | Cotter Pin | 3/16" X 2" |
| 17 | [] | 2 | (SUB GP426-504) (MARKED GP20X13A) | |
| 18 | [] | 2 | (SUB GP426-504) (MARKED GP20X13A) | |
| 19 | GP426-504 | 2 | RIM | (MARKED GP20X13A) (HT555-006 MAY BE USED AS ALTERNATE) USE WITH 49 X 17 OR 20.00 X 20 USED AIRCRAFT TIRE, 28-32 PLY. |
| 19 | GP426-571 | 2 | RIM | (SUB GP426-504) (MARKED GP201350) USE WITH 49 X 17 OR 20.00 X 20 USED AIRCRAFT TIRE, 28-32 PLY. |